USB-SD MP3 Shield

Plug in and play for Arduino
Control by Serial UART interface or keys onboard.
Directly drive 32ohm headset.
On-board Audio Amplifier to drive 3W/4Ω external loudspeaker.
32 levels adjustable volume.
Support FAT16/FAT32 file system.
Support both SD/SDHC card and U-Disk.
On board 64MBit SPI-FLASH.
Support copying audio files from SD card or U-Disk to SPI-FLASH.
Supporting Sleep Mode.
Support 16K~320Kbps MP3 files and 8K~44.1KHz sampling rate WAV files (SPI-FLASH)
only supports MP3 format